Linksys Hub EtherFast II 10 100 24-Port RM
Contents
1. RJ 45 Color Chart _ White with an Wire 1 Orange Stripe or crimped as either straight through or crossover cables A Category 5 cable has 8 thin color coded wires inside that run from one end of the cable to the other All 8 wires are used In a straight through cable wires 1 2 3 and 6 at one end of the cable are also wires 1 2 3 and 6 at the other end In a crossover cable Cross Over Cabling the order of the wires change from one end to the other wire 1 becomes 3 and 2 becomes 6 See the diagrams L JE on the next page for a Wire 8 mg trou r gie more detailed informa se tion on straight through a Bererers and crossover cabling 3 1 ma L1 E E a P ass al ai re Wire 2 Drange White with a Wire 3 Grean Stripe Wire 4 Blue White with a Wire 5 Blue Stripe Wire 6 Green White with a Wire 7 Brown Sirpa To determine which wire is wire number 1 hold the cable so that the end of the plastic RJ 45 tip the part do that goes into a wall jack first is facing away from you Pins bottom Face the clip down so that the copper side faces up the springy clip will now be parallel to the floor When look jf ing down on the copper side wire will be on the far left Instant EtherFast Il Series How to Install An Add On Module Follow these steps to install the add on modules in the EtherFast II 10 100 Hub E2. 328 feet in length Category 5 cabling can be obtained at most computer stores or you can crimp your own See page 8 for cabling specifications Here are some impor tant cabling rules to follow Computers should never be connected directly together on a network They should always be connected to a hub Only two 100Mbps Fast Ethernet hubs can be cascaded or uplinked together To cascade more than 2 100Mbps hubs a switch or a repeater must be used The maximum length for a Category 5 cable between a 100BaseTX or 10BaseT workstation and a hub is 100 meters 328 feet The maximum distance between 2 100BaseTX hubs without a switch is 5 meters 16 4 feet The maximum distance between 2 10BaseT hubs or a 10BaseT hub and an Auto Sensing hub is 100 meters 328 feet Instant EtherFast Il Series About Fast Ethernet As the demand for desktop video multimedia development imaging and other speed intensive applications continues to rise the need for high per formance fault tolerant LAN technology will become more critical Standard Ethernet which has been the most popular networking technology to date with a maximum data throughput of 10Mbps Megabits per second is becoming insufficient to handle the latest video multimedia and other speed intensive client server LAN applications Among the solutions to the problem of network speed Fast Ethernet has emerged as the most viable and economical Capable of se
3. EtherFast ll 10 100 Hubs LE kaa vera 0 Be this guide to install these Linksys Products EtherFast IlI 10 100 EtherFast II 10 100 16 Port Rack 24 Port Rack Mountable Hub Mountable Hub EF2H16 EF2H24 BS MES le LaLInNKSYvS COPYRIGHT amp TRADEMARKS Copyright 2000 Linksys All Rights Reserved EtherFast II is a registered trademark of Linksys Microsoft Windows and the Windows logo are registered trademarks of Microsoft Corporation All other trademarks and brand names are the property of their respective proprietors LIMITED WARRANTY Linksys guarantees that every EtherFast Il 10 100 Hub is free from physical defects in material and workmanship under normal use for five 5 years from the date of pur chase If the product proves defective during this warranty period call Linksys Customer Support in order to obtain a Return Authorization number BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCTS PACKAGING ON HAND WHEN CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE When returning a product mark the Return Authorization number clearly on the outside of the package and include your original proof of purchase IN NO EVENT SHALL LINKSYS LIABILITY EXCEED THE PRICE PAID FOR THE PROD UCT FROM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFT WARE OR ITS DOCUMENTATION LINKSYS OFFE
4. i 100100 24 Fort Hub Medel PE r ELI Power LED will be lit whenever the hub is receiving power 10 l When lit this LED indicates that collisions are being encountered at 10Mbps 100 Gol When lit this LED indicates that collisions are being encountered at 100Mbps Some collisions are normal If your network experiences an excessively high collision level verify that your cabling is good and that there are no cabling coils cross overs or breaks 100 LED will be lit if a given port is operating at 100Mbps Link Act LED will be lit or flickering if a given port is sending or receiving data will not be lit if the port is not connected to a node Module Link Act LED will be lit if the optional expansion module is installed flickering when receiving or transmitting data Instant EtherFast Il Series 10 100 Hubs Optional Fiber Expansion Module Uplinking the Hub Each 10 100 16 and 24 Port rack mountable hub comes with a fiber optic Each EtherFast II 10 100 Hub has a crossover button labeled MDI MDIX expansion slot which accepts an optional 100BaseFX fiber optic module for on the front of the hub that allows you to connect with other hubs switches connecting to high speed fiber cabling If you purchased an optional fiber or routers To activate the uplinking capability make sure that the optic expansion module set it up by following the setup instructions included MDI MDIX button is not depressed Insert one end of a straight th
5. of your PCs workstations file servers print servers or other network nodes to the 10 100 Hub one by one Each node should be connected to the hub with a straight through Category 5 cable with RJ 45 connectors Each cable should be less than 100 meters 328 feet in length Ready to use network cables of various lengths can be purchased at most computer stores If you wish to crimp your own cabling for custom sites or lengths see page 9 for cabling specifications When connecting a PC to a hub either the computer or the hub must be pow ered OFF If both the computer and the hub are turned on while the connec tion is completed the network will act erratically and you must reset the hub see page 7 Instant EtherFast II Series 10 100 Hubs Appendix Crimping Your Own Network Cables Twisted Pair Cabling e Straight Through Cabling There are different grades or categories of twisted pair cabling Category 5 is the most reliable and is highly recommended Category 3 is a good second choice Straight through cables are used for connecting computers to a hub Crossover cables are used for connecting a hub to another hub there is an exception some hubs have a built in uplink port that is crossed internally which allows you to link or connect hubs together with a straight through cable instead You can buy pre made Category 5 cabling or cut and crimp your own Category 5 cables can be purchased Pind ea Ion Prieur haha mar Te
6. F2H16 or EF2H24 1 Power off the hub and remove the AC power cord from the hub 2 Remove all RJ 45 cables from the all the ports in the hub and if the hub is on a rack remove the hub from the rack 3 Using a Phillips screw driver remove the screws holding the small cover panel on the back of the hub The size of the panel is about 8 1cm by 3 5cm 3 1 x 1 4 You will need the screws to secure the add on module later 4 Ground yourself properly and remove the add on module from its package 5 Hold the module so the chips and the components on the add on module are facing up If the module has a daughter board a bigger board mounted on the main board of the add on module the bottom of the daughter board should be facing up Insert the module into the back of the hub 6 The add on module will slide in until it comes to a stop Push the module to make sure it makes a proper connection Note Do not use too much force you can bend the metal panel on the add on module 7 Secure the module in place with the two screws 8 If used on a rack mount the hub back on the rack Reconnect the RJ 45 cables and the AC Power cord Note do not connect any cables to the port s that will be used by the add on Module see page 11 to find which ports can t be used when using an add on module 9 Connect your Fiber cable or RJ 45 cable to the add on Module Turn on the hub 10 100 Hubs Fiber Optic Modules Two different Fiber Optic mod
7. RS NO REFUNDS FOR ITS PROD UCTS TAMPERING WITH OR DISASSEMBLING THE PRODUCT VOIDS THE LINKSYS WARRANTY Linksys makes no warranty or representation expressed implied or statutory with respect to its products or the contents or use of this documentation and all accompanying software and specifically disclaims its quality performance mer chantability or fitness for any particular purpose Linksys reserves the right to revise or update its products software or documentation without obligation to notify any individ ual or entity Please direct all inquiries to Linksys P O Box 18558 Irvine CA 92623 FCC STATEMENT The EtherFast II 10 100 Hub has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installa tion This equipment generates uses and can radiate radio frequency energy and if not installed and used according to the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which is found by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Inc
8. The following illustration is an example of how to connect two rack mount able EtherFast II 10 100 Hubs together using fiber optic cabling Notice that both hubs are equipped with 100BaseFX 1 Port Distance Extender modules The distance extender modules allow data to be sent up to 208 meters 672 feet For a full explanation of fiber optic cabling distance rules see the chart on page 12 Maximum distance Of 208 meters 13 Instant EtherFast Il Series Model Number EF2H16 EF2H24 Standards IEEE 802 3 and IEEE 802 3u Protocol CSMA CD Ports 16 or 24 RJ 45 depending on model One 100BaseFX fiber optic expansion slot Speed 10Mbps or 100Mbps LEDs Power 10Col 100Col 100Mbps Link Activity Module Link Activity Cabling Category 5 UTP or better Environmental Dimensions 17 25 x 7 x 1 75 Unit Weight 6 6 lbs Certifications FCC Class A CE Mark Commercial UL and CSA listed Power 90 250VAC 50 60Hz Power Consumption 30 Watts Operating Temperature 32 F to 131 F 0 C to 55 C Storage Temperature 40 F to 158 F 40 C to 70 C Operating Humidity 10 to 85 Non Condensing Storage Humidity 5 to 90 Non Condensing 14 10 100 Hubs Customer Support For help with the installation or operation of your EtherFast 10 100 Hub con tact Linksys Customer Support at one of the phone numbers or Internet addresses below Customer Support 800 326 7114 949 261 1288 Fax 949 261 8868 E ma
9. il support linksys com Web http www linksys com FTP Site ftp linksys com Note You must have your proof of purchase and a bar code from the products Linksys guarantees that every 10 100 Hub is free Packaging on hand when from physical defects in material and workman calling Return requests can ship under normal use for five 5 year from the date of purchase If the product proves defective during this warranty period contact Linksys Customer Support to obtain a Return Authorization number When returning a product mark the Return Authorization number clearly on the outside of the package and include your original proof of purchase Linksys Warranty Information not be processed without proof of purchase IN NO EVENT SHALL LINKSYS LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT INDIRECT SPECIAL INCI DENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFTWARE OR ITS DOCUMENTATION LINKSYS OFFERS NO REFUNDS FOR ITS PROD UCTS A ee with or disassembling this product voids its warranty Linksys makes no warranty or representation expressed implied or statutory with respect to its products or the contents or use of this documentation and all accompanying software and specifically disclaims its quality perform ance merchantability or fitness for any particular purpose Linksys reserves the right to revise or update its products software or documentation witho
10. nding and receiv ing data at 100Mbps it is more than fast enough to handle even the most demanding video and other real time applications Although there are a number of different competing Fast Ethernet implemen tations 100BaseTX is by far the most popular Operating on two pairs of Category 5 unshielded twisted pair UTP cabling 100BaseTX supports high speed signaling and is relatively inexpensive Because it uses four wires for data transmission and the same packet format packet length error control and management information as 10BaseT 100BaseTX can be made to com municate with slower 10BaseT equipment when routed through a switch This backwards compatibility is one of 100BaseTX s major advantages over other forms of Fast Ethernet it allows critical speed dependent network seg ments to be upgraded to 100BaseTX speeds as needed without re wiring refitting and retraining an entire site Networks can now mix both slow and fast network segments for different users or departments Publishing R amp D video multimedia or accounting departments can enjoy a 100Mbps pace while other corporate segments can operate at slower and more affordable 10Mbps speeds Every port on your 10 100 Hub is capable of running at either 1OMbps or 100Mbps allowing you to mix and match economical 10BaseT hardware with high performance 100Mbps network cards hubs switches and other equipment 10 100 Hubs Getting to Know the 10 100 Hib Ela Fash
11. pansion slot mean that your network is ready to expand along with your business needs and with up to 24 auto sensing ports you have the freedom to combine low cost 10Mbps computers with high speed 100Mbps workstations saving you thousands of dollars It s this combination of flexibil ity reliability and performance that make the EtherFast II Series The Affordable High Performance Network Solution Instant EtherFast Il Series ee Cr mms Package Contents for the EtherFast II 10 100 Hub 16 and 24 Port Model e EtherFast I 10 100 Hub e Rack Mounting Hardware e AC Power Cord e User Guide 10 100 Hubs Planning Your Network The rules that govern how nodes and hubs are distributed across a network are important to ensure the integrity of your data Cabling specifications dis tance limits and other topology rules must be followed in order to avoid col lisions data loss and downed network connections The 10 100 Hub is equipped with RJ 45 ports that can automatically adjust to either 10Mbps or 100Mbps speeds Each port can operate at either speed completely independent of the other ports speeds and can be connected to a workstation file server print server hub or another node with twisted pair cabling Although there are different grades of cabling you must use EIA 568 Category 5 unshielded twisted pair UTP or better for each connection you make and each cable should not exceed 100 meters
12. rease the separation between the equipment or device e Connect the equipment to an outlet other than the receiver s e Consult a dealer or an experienced radio TV technician for assistance 005 Instant EtherFast Il Series Table of Contents Introduction Planning Your Network About Fast Ethernet Getting to Know the EtherFast II 10 100 Hub LED Indicators Optional Fiber Expansion Module Mounting the Hub Connecting Nodes to the Hub Uplinking the Hub Powering On the Hub Resetting the Hub Appendix Twisted Pair Cabling Gimping Your Own Cables How to Install an Add On Module Fiber Optic Modules Specifications Customer Support hb wer gl 10 11 14 Instant EtherFast Il 10 100 Hub EASY TO SET UP EASY TO MAINTAIN The EtherFast IT 10 100 Hubs from Linksys are the second generation in the Instant EtherFast Series that quickly set the standard for economical network expansion Since they are ready to run right out of the box and feature easy rack mount installation your network will be up and running in no time Extensive use of advanced VLSI technology ensures that each EtherFast II 10 100 Hub will function with unsurpassed reliability allowing your business to operate with a minimum of down time MEETING THE NEEDS OF EXPANDING NETWORKS In today s fast paced business world growth can easily out pace resources that s why the EtherFast II Series is such a great solution The built in uplink port and fiber optic ex
13. repeater must be used The Distance Extender is a switched port This means another 100Mb hub can be cascaded with RJ 45 to the hub that has a Distance Extender Module installed Two Distance Extender modules can be connected together only at Half Duplex Do NOT set either or both of the Distance Extender modules to Full Duplex The 10 100 Hubs will not communicate at Full Duplex 11 12 Instant EtherFast Il Series When using fiber the noise loss has to be calculated Also always use the same type of fiber connector SC or ST for your fiber cables If you are using ST type connectors and you introduce an SC type connector module an SC to ST converter has to be obtained or the ST connector may be replaced by an SC Connector Note Changing connectors should be done professionally using the proper tools If you have never worked with fiber cabling seek the help of an experienced professional The following table shows the distance limitation when connecting the Linksys Fiber modules Distance meters ft Cable type Multi Mode 62 5 125uM Fiber Optic Cable 412 1330 Multi Mode Half Duplex 62 5 125uM Fiber Optic Cable Module in Hub A EF2HSC or EF2HST SC or ST Type 100BaseFX Fiber Distance Extender EF2HSC or EF2HST SC or ST Type Fiber Distance Extender Module in hub B EF2HSC EF2HST SC or ST Type Fiber Transceiver Module EF2HSC EF2HST SC or ST Type Fiber Distance Extender 10 100 Hubs
14. rough RJ in the Appendix of this guide page 11 45 cable into port 1 and the other end into the desired device The 10 100 Hub will automatically determine the optimum speed of the device being attached to it depressed the port will function normally Each hub is equipped with mounting hardware that can be used to secure it in a Stationary or movable 19 rack To mount the brackets to the hub line up the holes on the bracket with the holes on the side of the hub make sure that the flange on the bracket is to the rear then fasten the bracket to the hub using the screws provided To power on the hub plug the supplied AC electrical power cord into the Note Screws required for installing the hub in your rack are not included with the mounting hardware back of the hub The hub will put itself through a series of diagnostic tests which shouldn t take more than just a few seconds then begin scanning the ports for live nodes The installation is complete Connecting Nodes to the 10 100 Hub Resetting the Hub The 10 100 Hub can be connected to either 10Mbps or 100Mbps PCs work stations file servers print servers or other hardware When powered up To reset the hub unplug the unit for at least three seconds then plug it back each of the hub s 10 100 ports will automatically adjust to the proper speed in The hub is reset as determined by the speed of the hardware or node connected to the port Connect each
15. ules are available for the rack mountable 10 100 Hub EF2H16 and EF2H24 EF2HSC EF2HST 100BaseFX 1 Port Transceiver Module SC 100BaseFX 1 Port Transceiver Module ST Each Fiber port has two connectors a transmit TX and a receive RX To connect two modules together you must run a Multi mode fiber cable from the transmit connector on one module to the receive connector on the other If you are looking at the back of the hub the connector on the right is the receiver and the connector on the left is the transmitter The connectors are also labeled on the top of the fiber port These labels can not be seen after the module is installed so make sure that you look before you slide it in Each Distance Extender Modules has a switch on the back for Full Duplex or Half Duplex The switch must be set to Half Duplex at all times when con necting to another Distance Extender or a Transceiver module The Link LED will light up when there is a connection made and the Activity ACT LED will flicker while data is being transmitted or received Note The duplexing switch located on the back of the hub should be set in Half Duplex mode The 10 100 Hubs do not function in full duplex mode A maximum of 2 Transceivers can be connected together in one segment When two hubs are connected via Transceivers together the same rule of cas cading two 100Mb hubs applies to them To cascade another hub to these two hubs using RJ 45 a switch or
16. ut obligation to notify any individual or entity 15 WLInKSvsS i f s se http www linksys com Copyright 2000 Linksys All Rights Reserved
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